diff options
Diffstat (limited to 'ssh-ed25519-sk.c')
| -rw-r--r-- | ssh-ed25519-sk.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/ssh-ed25519-sk.c b/ssh-ed25519-sk.c index 622cb45c..d11fde6f 100644 --- a/ssh-ed25519-sk.c +++ b/ssh-ed25519-sk.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ssh-ed25519-sk.c,v 1.2 2019/11/12 19:34:40 markus Exp $ */ +/* $OpenBSD: ssh-ed25519-sk.c,v 1.3 2019/11/25 00:51:37 djm Exp $ */ /* * Copyright (c) 2019 Markus Friedl. All rights reserved. * @@ -33,7 +33,8 @@ int ssh_ed25519_sk_verify(const struct sshkey *key, const u_char *signature, size_t signaturelen, - const u_char *data, size_t datalen, u_int compat) + const u_char *data, size_t datalen, u_int compat, + struct sshkey_sig_details **detailsp) { struct sshbuf *b = NULL; struct sshbuf *encoded = NULL; @@ -49,6 +50,10 @@ ssh_ed25519_sk_verify(const struct sshkey *key, unsigned long long smlen = 0, mlen = 0; int r = SSH_ERR_INTERNAL_ERROR; int ret; + struct sshkey_sig_details *details = NULL; + + if (detailsp != NULL) + *detailsp = NULL; if (key == NULL || sshkey_type_plain(key->type) != KEY_ED25519_SK || @@ -84,6 +89,12 @@ ssh_ed25519_sk_verify(const struct sshkey *key, r = SSH_ERR_INVALID_ARGUMENT; goto out; } + if ((details = calloc(1, sizeof(*details))) == NULL) { + r = SSH_ERR_ALLOC_FAIL; + goto out; + } + details->sk_counter = sig_counter; + details->sk_flags = sig_flags; if ((encoded = sshbuf_new()) == NULL) { r = SSH_ERR_ALLOC_FAIL; goto out; @@ -115,11 +126,16 @@ ssh_ed25519_sk_verify(const struct sshkey *key, /* XXX compare 'm' and 'sm + len' ? */ /* success */ r = 0; + if (detailsp != NULL) { + *detailsp = details; + details = NULL; + } out: if (m != NULL) { explicit_bzero(m, smlen); /* NB mlen may be invalid if r != 0 */ free(m); } + sshkey_sig_details_free(details); sshbuf_free(b); sshbuf_free(encoded); free(ktype); |